/** Pointer to a buffer initialized with `lv_disp_draw_buf_init()`. * LVGL will use this buffer(s) to draw the screens contents*/ lv_disp_draw_buf_t*draw_buf; uint32_tdirect_mode:1;/**< 1: Use screen-sized buffers and draw to absolute coordinates*/ uint32_tfull_refresh:1;/...
lv_disp_drv_init(&disp_drv );/*Change the following line to your display resolution*//*将以下行更改为您的显示分辨率*/disp_drv.hor_res=screenWidth; disp_drv.ver_res=screenHeight; disp_drv.flush_cb=my_disp_flush; disp_drv.draw_buf= &draw_buf; lv_disp_drv_register(&disp_drv );/*I...
lv_port_fs_init(); //初始化文件系统 lv_color_t *buf1 = heap_caps_malloc(DISP_BUF_SIZE * sizeof(lv_color_t), MALLOC_CAP_DMA); assert(buf1 != NULL); static lv_color_t *buf2 = NULL; static lv_disp_draw_buf_t disp_buf; uint32_t size_in_px = DISP_BUF_SIZE; lv_disp_dr...
//显示屏初始化WIDTH=width;HEIGHT=height;buf=newuint32_t[WIDTH*HEIGHT];lv_disp_draw_buf_init(&lv_disp_buf,lv_buf_1,lv_buf_2,DISP_BUF_SIZE);staticlv_disp_drv_t disp_drv;lv_disp_drv_init(&disp_drv);disp_drv.hor_res=WIDTH;disp_drv.ver_res=HEIGHT;disp_drv.draw_buf=&lv_disp_buf...
Initialize the display */ lv_disp_drv_init(&disp_drv); /* Change the following line to your display resolution */ disp_drv.hor_res = screenWidth; disp_drv.ver_res = screenHeight; disp_drv.flush_cb = my_disp_flush; disp_drv.draw_buf = &draw_buf; lv_disp_drv_register(&disp_drv...
用lv_disp_drv_init(&disp_drv)初始化。 以下的变量必须初始化。 指向上一章显示缓存的指针的 draw_buf 。 hor_res 显示器的水平分辨率(以像素为单位)。 ver_res 显示器的垂直分辨率(以像素为单位)。 flush_cb 一个回调函数,用于将缓冲区的内容复制到显示器的特定区域。
static lv_disp_draw_buf_t disp_buf_1; static lv_color_t buf1_1[TFT_HOR_RES * 68]; static lv_color_t buf1_2[TFT_HOR_RES * 68]; lv_disp_draw_buf_init(&disp_buf_1, buf1_1, buf1_2, TFT_HOR_RES * 68); /*Initialize the display buffer*/ /*--- * Register the dis...
lv_color_t buf2[DISP_BUF_SIZE]; lv_disp_draw_buf_init(&disp_buf, buf, buf2, DISP_BUF...
void lv_disp_buf_init(lv_disp_buf_t*disp_buf, void *buf1, void *buf2, uint32_tsize_in_px_cnt ) Initialize a display buffer Parameters disp_bufpointerlv_disp_buf_tvariable to initialize buf1A buffer to be used by LittlevGL to draw the image. Always has to specified and ca...
* */ /* Example for 1) */ static lv_disp_buf_t draw_buf_dsc_1; static lv_color_t draw_buf_1[LV_HOR_RES_MAX * 10]; /*A buffer for 10 rows*/ lv_disp_buf_init(&draw_buf_dsc_1, draw_buf_1, NULL, LV_HOR_RES_MAX * 10); /*Initialize the display buffer*/ ...